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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">cardiotomsk</journal-id><journal-title-group><journal-title xml:lang="ru">Сибирский журнал клинической и экспериментальной медицины</journal-title><trans-title-group xml:lang="en"><trans-title>Siberian Journal of Clinical and Experimental Medicine</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2713-2927</issn><issn pub-type="epub">2713-265X</issn><publisher><publisher-name>TSU publishing</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.29001/2073-8552-2019-34-2-129-137</article-id><article-id custom-type="elpub" pub-id-type="custom">cardiotomsk-771</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ЭКСПЕРИМЕНТАЛЬНЫЕ ИССЛЕДОВАНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>EXPERIMENTAL STUDIES</subject></subj-group></article-categories><title-group><article-title>БИОДЕГРАДИРУЕМЫЙ СОСУДИСТЫЙ ПРОТЕЗ, МОДИФИЦИРОВАННЫЙ RGD-ПЕПТИДАМИ: ЭКСПЕРИМЕНТАЛЬНОЕ ИССЛЕДОВАНИЕ</article-title><trans-title-group xml:lang="en"><trans-title>BIODEGRADABLE VASCULAR GRAFT MODIFIED BY RGD-PEPTIDES: EXPERIMENTAL RESEARCH</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2500-2147</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кривкина</surname><given-names>Е. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Krivkina</surname><given-names>E. O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>младший научный сотрудник лаборатории клеточных технологий отдела экспериментальной и клинической кардиологии</p><p>650002, Российская Федерация, Кемерово, Сосновый б-р, 6</p></bio><bio xml:lang="en"><p>Junior Research Scientist, Laboratory of Cell Technologies, Department of Experimental and Clinical Cardiology</p><p>6, Sosnoviy buvl., Kemerovo, 650002, Russian Federation</p></bio><email xlink:type="simple">leonora92@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7100-8953</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сильников</surname><given-names>В. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Silnikov</surname><given-names>V. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д-р хим. наук, заведующий лабораторией органического синтеза</p><p>630090, Российская Федерация, Новосибирск, пр. Ак. Лаврентьева, 8</p></bio><bio xml:lang="en"><p>Dr. Sci. (Chem.), Head of the Laboratory of Organic Synthesis</p><p>8, Lavrentiev ave., Novosibirsk, 630090, Russian Federation</p></bio><email xlink:type="simple">v.silnikov@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8846-5077</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Миронов</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Mironov</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>младший научный сотрудник лаборатории клеточных технологий отдела экспериментальной и клинической кардиологии</p><p>650002, Российская Федерация, Кемерово, Сосновый б-р, 6</p></bio><bio xml:lang="en"><p>Junior Research Scientist, Laboratory of Cell Technologies, Department of Experimental and Clinical Cardiology</p><p>6, Sosnoviy buvl., Kemerovo, 650002, Russian Federation</p></bio><email xlink:type="simple">miroav@kemcardio.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1079-1956</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Великанова</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Velikanova</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. биол. наук, научный сотрудник лаборатории клеточных технологий отдела экспериментальной и клинической кардиологии</p><p>650002, Российская Федерация, Кемерово, Сосновый б-р, 6</p></bio><bio xml:lang="en"><p>Cand. Sci. (Biol.), Research Scientist, Laboratory of Cell Technologies, Department of Experimental and Clinical Cardiology</p><p>6, Sosnoviy buvl., Kemerovo, 650002, Russian Federation</p></bio><email xlink:type="simple">veliea@kemcardio.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9430-937X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сенокосова</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Senokosova</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>младший научный сотрудник лаборатории клеточных технологий отдела экспериментальной и клинической кардиологии</p><p>650002, Российская Федерация, Кемерово, Сосновый б-р, 6</p></bio><bio xml:lang="en"><p>Junior Research Scientist, Laboratory of Cell Technologies, Department of Experimental and Clinical Cardiology</p><p>6, Sosnoviy buvl., Kemerovo, 650002, Russian Federation</p></bio><email xlink:type="simple">sergea@kemcardio.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4114-505X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Глушкова</surname><given-names>Т. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Glushkova</surname><given-names>T. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. биол. наук, научный сотрудник лаборатории новых биоматериалов отдела экспериментальной и клинической кардиологии</p><p>650002, Российская Федерация, Кемерово, Сосновый б-р, 6</p></bio><bio xml:lang="en"><p>Cand. Sci. (Biol.), Research Scientist, Laboratory of New Biomaterials, Department of Experimental and Clinical Cardiology</p><p>6, Sosnoviy buvl., Kemerovo, 650002, Russian Federation</p><p> </p></bio><email xlink:type="simple">glushtv@kemcardio.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0033-9376</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Акентьева</surname><given-names>Т. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Akentieva</surname><given-names>T. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>младший научный сотрудник лаборатории новых биоматериалов отдела экспериментальной и клинической кардиологии</p><p>650002, Российская Федерация, Кемерово, Сосновый б-р, 6</p></bio><bio xml:lang="en"><p>Junior Research Scientist, Laboratory of New Biomaterials, Department of Experimental and Clinical Cardiology</p><p>6, Sosnoviy buvl., Kemerovo, 650002, Russian Federation</p></bio><email xlink:type="simple">akentn@kemcardio.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6134-7468</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кудрявцева</surname><given-names>Ю. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kudryavtseva</surname><given-names>Yu. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д-р биол. наук, заведующая отделом экспериментальной и клинической кардиологии</p><p>650002, Российская Федерация, Кемерово, Сосновый б-р, 6</p></bio><bio xml:lang="en"><p>Dr. Sci. (Biol.), Head of the Department of Experimental and Clinical Cardiology</p><p>6, Sosnoviy buvl., Kemerovo, 650002, Russian Federation</p><p> </p></bio><email xlink:type="simple">kudrua@kemcardio.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8874-0788</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Антонова</surname><given-names>Л. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Antonova</surname><given-names>L. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д-р мед. наук, заведующая лабораторией клеточных технологий отдела экспериментальной и клинической кардиологии</p><p>650002, Российская Федерация, Кемерово, Сосновый б-р, 6</p></bio><bio xml:lang="en"><p>Dr. Sci. (Med.), Head of the Laboratory of Cell Technologies, Department of Experimental and Clinical Cardiology</p><p>6, Sosnoviy buvl., Kemerovo, 650002, Russian Federation</p></bio><email xlink:type="simple">antonova.la@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Научно-исследовательский институт комплексных проблем сердечно-сосудистых заболеваний</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Research Institute for Complex Issues of Cardiovascular Diseases</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Институт химической биологии и фундаментальной медицины</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute of Chemical Biology and Fundamental Medicine</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>11</day><month>07</month><year>2019</year></pub-date><volume>34</volume><issue>2</issue><fpage>129</fpage><lpage>137</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Кривкина Е.О., Сильников В.Н., Миронов А.В., Великанова Е.А., Сенокосова Е.А., Глушкова Т.В., Акентьева Т.Н., Кудрявцева Ю.А., Антонова Л.В., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Кривкина Е.О., Сильников В.Н., Миронов А.В., Великанова Е.А., Сенокосова Е.А., Глушкова Т.В., Акентьева Т.Н., Кудрявцева Ю.А., Антонова Л.В.</copyright-holder><copyright-holder xml:lang="en">Krivkina E.O., Silnikov V.N., Mironov A.V., Velikanova E.A., Senokosova E.A., Glushkova T.V., Akentieva T.N., Kudryavtseva Y.A., Antonova L.V.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://www.sibjcem.ru/jour/article/view/771">https://www.sibjcem.ru/jour/article/view/771</self-uri><abstract><p>Цель исследования: изучить эффективность модифицирования RGD-пептидами биодеградируемых сосудистых протезов малого диаметра в зависимости от вида линкера и конфигурации RGD.Материал и методы. Изготовлены трубчатые каркасы диаметром 1,5 и 4,0 мм методом электроспининга из полигидроксибутирата/валерата (PHBV) и поликапролактона (PCL). Проведена модификация графтов PHBV/PCL RGD-пептидами. В экспериментах in vitro исследованы степень гемолиза эритроцитов и адгезия тромбоцитов и эндотелиальных клеток при контакте с модифицированной поверхностью. Изучены физико-механические свойства и структура поверхности графтов до и после модифицирования. Сосудистые протезы PHBV/PCL и PHBV/PCL/RGD имплантированы в брюшную аорту крыс сроком на 1 и 3 мес. Проведено изучение эксплантированных образцов с помощью конфокальной микроскопии и гистологических методов исследования.Результаты. Результаты физико-механических испытаний показали статистически значимое снижение прочностных свойств PHBV/PCL/RGD графтов относительно немодифицированных аналогов. Обнаружено статистически значимое повышение уровня агрегации тромбоцитов на модифицированных графтах. Уровень адгезии эндотелиальных клеток на поверхности модифицированных матриксов был больше, чем на немодифицированных. Краткосрочная имплантация графтов на 1 и 3 мес. показала, что модифицированные графты обладали более высокой проходимостью и меньшей склонностью к кальцификации в сравнении с немодифицированными аналогами. Иммунофлуоресцентное исследование определило явное превосходство модифицированных сосудистых графтов в плане стимулирования формирования зрелого эндотелиального монослоя. Выявлено, что более длинный линкер 4,7,10-триокса-1,13-тридекандиамин увеличивает биодоступность RGD-пептидов, а использование для модифицирования поверхности графтов RGDK и c[RGDFK] стимулирует раннюю эндотелизацию внутренней поверхности имплантатов и снижает склонность к кальцификации стенки протезов, что в совокупности повышает проходимость имплантированных протезов.Заключение. В ходе краткосрочной имплантации биодеградируемых сосудистых протезов, модифицированных RGD-пептидами, графты с RGDK и с[RGDFK], прикрепленными к поверхности протезов через линкер 4,7,10-триокса-1,13-тридекандиамин, показали лучшие результаты в плане адгезии и поддержания жизнеспособности эндотелиальных клеток in vitro и эндотелизации in vivo, обладали высокой проходимостью после имплантации в сосудистое русло мелких лабораторных животных и меньшей склонностью к кальцификации.</p></abstract><trans-abstract xml:lang="en"><p>Research goals. To study the effectiveness of RGD-peptide modification of the small-diameter biodegradable vascular grafts depending on the type of a linker and RGD configuration.Material and Methods. Tubular scaffolds with a diameter of 1.5 and 4.0 mm were produced by electrospinning from polyhydroxybutyrate/valerate (PHBV) and polycaprolactone (PCL). The PHBV/PCL grafts were modified with RGD peptides. In vitro experiments showed the degree of erythrocyte hemolysis and adhesion of the platelets and endothelial cells when in contact with a modified surface. The physico-mechanical properties and the structure of graft surface were studied before and after modification. The PHBV/PCL and PHBV/PCL/RGD vascular grafts were implanted into the abdominal aorta of rats for the periods of 1 and 3 months. Explant samples were studied using confocal microscopy and histological methods.Results. The results of physical and mechanical tests showed a significant decrease in the strength properties of the PHBV/PCL/RGD grafts relative to the unmodified analogs. A significant increase in platelet aggregation was found in the modified grafts. The level of adhesion of the endothelial cells on the modified surfaces was higher than that on the unmodified surfaces. Shortterm implantation of the grafts for 1 and 3 months showed that the modified grafts had higher patency and a less tendency to calcification compared with the unmodified grafts. Immunofluorescence study demonstrated the significant superiority of the modified vascular grafts in terms of stimulating the formation of a mature endothelial monolayer. A longer linker of 4,7,10-trioxa-1,13-tridecane diamine was found to increase the bioavailability of RGD peptides; the use of RGDK and c[RGDFK] for surface modification of the grafts stimulated early endothelialization of the internal surface of the implants and reduced the prosthetic wall calcification tendency, which together increased the patency of the implanted grafts.Conclusion. In short-term implantation of biodegradable vascular grafts modified with RGD peptides, the grafts with RGDK and c[RGDFK], attached to the surface of the prostheses through the 4,7,10-triox-1,13-tridecane diamine linker, showed the best results in terms of endothelial adhesion and maintenance of the viability of the endothelial cells in vitro and endothelialization in vivo; these grafts had high patency after implantation into the bloodstream of small laboratory animals and a less tendency to calcification.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>биодеградируемые сосудистые протезы</kwd><kwd>электроспиннинг</kwd><kwd>RGD-пептиды</kwd></kwd-group><kwd-group xml:lang="en"><kwd>biodegradable vascular grafts</kwd><kwd>electrospinning</kwd><kwd>RGD-peptides</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Бокерия Л.А., Милевская Е.Б., Кудзоева З.Ф., Прянишников В.В. 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